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MLB · Final

Mariners Dominate Nationals in Series Finale

Friday, June 12, 2026, 6:45 PM ET · Nationals Park

Seattle Mariners 10, Washington Nationals 2, final. Our MLB picks are sealed as a hash before kickoff and settled in public, losses included.

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Quick answers

Who won Seattle Mariners vs Washington Nationals?

Seattle Mariners beat Washington Nationals 10-2 at Nationals Park on June 12, 2026.

Who was favored in Seattle Mariners vs Washington Nationals?

Seattle Mariners were the favorite at DraftKings, moneyline -144 (about 59% implied). The favorite won.

In a decisive victory, the Seattle Mariners defeated the Washington Nationals 10-2 at Nationals Park, concluding the series with the Mariners winning 2-1. This matchup was significant as it showcased the Mariners' offensive prowess, particularly in the latter innings, where they capitalized on opportunities and extended their lead. The Mariners, now holding a record of 37-34, have demonstrated a solid performance this season, while the Nationals stand at 35-35.

The Mariners entered this game with a mixed recent form, having lost their last two games against the Baltimore Orioles, with scores of 5-7 and 2-7. Prior to this, they had a record of 6-4 over their last ten games, averaging 4.6 runs scored per game while allowing 4.0. In contrast, the Nationals had been experiencing a slight resurgence, winning their last two games against the San Francisco Giants with scores of 6-3 and 4-3, contributing to a 5-5 record over their last ten games, with an average of 5.0 runs scored and 4.3 runs allowed.

At home, the Nationals have struggled slightly with a record of 2-4 in their last six games, while the Mariners have shown a stronger performance away from home, with a record of 3-4 in their last seven games. Historically, the Nationals have had the upper hand in their recent meetings, winning two out of three games against the Mariners in the previous season, including a notable 9-0 victory.

In terms of injuries, the Nationals faced several challenges, with Keibert Ruiz and Cade Cavalli listed as day-to-day, while Richard Lovelady, Josiah Gray, and DJ Herz are on the 60-day injured list. The Mariners also dealt with significant injuries, including Brendan Donovan on the 7-day injured list and Cole Wilcox, Matt Brash, Will Wilson, and Emerson Hancock all on the 15 or 60-day injured lists.

The betting market, as reported by DraftKings, favored the Mariners with odds of SEA -144, while the total runs were set at 9.5, with the over odds at -105.0 and under odds at -115.0. The spread was set at 1.5, indicating expectations of a competitive game, although the final outcome clearly exceeded those expectations.

The game conditions were typical for a summer evening in Washington, D.C., providing a warm atmosphere for baseball. Fans witnessed several key moments, including Emerson's homer to center in the second inning, which set the tone for the Mariners' offensive onslaught. The Mariners scored five runs in the second inning alone, with Wood adding another homer in the fourth. The fifth inning saw a series of wild pitches from Nationals' pitcher Cornelio, allowing multiple runs to cross the plate, further extending the Mariners' lead to 8-1.

Despite the Nationals' efforts, including a late homer from Crews in the eighth inning, the Mariners maintained control throughout the game, ultimately sealing their victory with Naylor's homer in the ninth. This game highlighted the Mariners' ability to capitalize on mistakes and their power hitting, which will be crucial as they continue their season.

Odds

BookSpreadTotalMoneyline
DraftKingsSEA -144 9.5 o -105 / u -115 Seattle Mariners -144 · Washington Nationals +120

What these prices pay on $100 · What these numbers mean

Injury report

  • Keibert RuizDay-To-DayHeadWashington Nationals
  • Richard Lovelady60-Day-ILTricepsWashington Nationals
  • Cade CavalliDay-To-DayLower LegWashington Nationals
  • Josiah Gray60-Day-ILElbowWashington Nationals
  • DJ Herz60-Day-ILElbowWashington Nationals
  • Brendan Donovan7-Day ILConcussionSeattle Mariners
  • Cole Wilcox15-Day-ILObliqueSeattle Mariners
  • Matt Brash60-Day-ILLatSeattle Mariners
  • Will Wilson60-Day-ILThumbSeattle Mariners
  • Emerson Hancock15-Day-ILGroinSeattle Mariners

Recent form

Washington Nationals

Last 10: 5-5Streak W25 scored · 4.3 allowed per game2-4 at home

  • W6-3at San Francisco GiantsJun 10
  • W4-3at San Francisco GiantsJun 9
  • L1-5at Arizona DiamondbacksJun 7
  • W14-1at Arizona DiamondbacksJun 6
  • L1-4vs Miami MarlinsJun 3
  • L3-7vs Miami MarlinsJun 2
  • L3-7vs Miami MarlinsJun 1
  • W4-2vs San Diego PadresMay 31
  • W9-4vs San Diego PadresMay 30
  • L5-7vs San Diego PadresMay 29

Seattle Mariners

Last 10: 6-4Streak L24.6 scored · 4 allowed per game3-4 away

  • L5-7at Baltimore OriolesJun 11
  • L2-7at Baltimore OriolesJun 10
  • W6-5at Baltimore OriolesJun 9
  • W6-3at Baltimore OriolesJun 8
  • L4-5at Detroit TigersJun 7
  • W4-0at Detroit TigersJun 6
  • L3-7at Detroit TigersJun 5
  • W8-3vs New York MetsJun 3
  • W3-2vs New York MetsJun 2
  • W5-1vs Arizona DiamondbacksMay 31

Standings

TeamGames behindLostStreakWin %Won
Houston-69W1.50771
Texas271L1.49369
Seattle574W2.47166
Athletics1786W1.38654
Los Angeles1887L2.37953
Atlanta-57W1.59383
Philadelphia461L1.56479
Miami1269W2.50771
Washington1775L1.47267
New York2077W1.45063

How the scoring went

  1. 2nd Inning2-0Canzone tripled to center, Arozarena scored and Raley scored.
  2. 2nd Inning3-0Mastrobuoni hit sacrifice fly to right, Canzone scored.
  3. 2nd Inning5-0Emerson homered to center (407 feet), Pereda scored.
  4. 4th Inning5-1Wood homered to right (416 feet).
  5. 5th Inning6-1Young scored on Cornelio wild pitch, Robles to second on wild pitch by Cornelio, Rodríguez to third on wild pitch by Cornelio.
  6. 5th Inning6-1Young scored on Cornelio wild pitch, Robles to second on wild pitch by Cornelio, Rodríguez to third on wild pitch by Cornelio.
  7. 5th Inning8-1Raley singled to right, Rodríguez scored and Robles scored.
  8. 8th Inning9-1Canzone homered to right center (395 feet).
  9. 8th Inning9-2Crews homered to center (440 feet).
  10. 9th Inning10-2Naylor homered to right (383 feet).

Win probability

Above the line favours Washington Nationals, below favours Seattle Mariners.

Venue

  • Nationals ParkWashington, District of Columbia
  • Attendance22226
  • OfficialsCory Blaser, Jansen Visconti, Alex Tosi, Willie Traynor

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Fixture data from the league feeds. The report was written from the recorded facts for this game and nothing else.